<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <!-- 
            v-pre 跳过本届点的模板编译
         -->
        <h1>{{msg}}</h1>
        <h1 v-pre>{{msg}}</h1>
    </div>
</body>
<script src="https://cn.vuejs.org/js/vue.js"></script>
<script>
    let vm = new Vue({
        el:"#app",
        data:{
            msg:"😊"
        }
    });
</script>
</html>